BirdAnalyst
BBS Route · New York · BCR 28

Corbettsvile Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 129 species recorded across 49 survey years, still active.

129Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
49Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
5Observers

Bird Species Found on New York Corbettsvile

Top 40 of 129 species by most recent count. Each links to its species trend.

Species recorded on the Corbettsvile route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
American RobinTurdidae1012025+0%1968
Red-winged BlackbirdIcteridae432025-76%1968
Red-eyed VireoVireonidae362025+191%1968
European StarlingSturnidae312025-94%1968
Song SparrowPasserellidae312025-23%1968
American GoldfinchFringillidae302025+26%1968
Mourning DoveColumbidae29202528×1970
Common GrackleIcteridae292025-63%1968
American CrowCorvidae282025+59%1968
OvenbirdParulidae282025+290%1968
Blue JayCorvidae262025+78%1968
Northern CardinalCardinalidae262025+427%1968
Common YellowthroatParulidae222025-5%1968
Baltimore OrioleIcteridae212025+29%1968
American RedstartParulidae212025+84%1969
Yellow WarblerParulidae202025+17%1968
Chipping SparrowPasserellidae172025-3%1968
Gray CatbirdMimidae162025+45%1968
Tufted TitmouseParidae13202514×1989
Rock PigeonColumbidae122025+35%1968
BobolinkIcteridae122025+0%1969
VeeryTurdidae102025-26%1968
Eastern PhoebeTyrannidae92025+38%1968
Northern House WrenTroglodytidae92025+81%1968
Rose-breasted GrosbeakCardinalidae82025+450%1969
Canada GooseAnatidae82025+10%1996
Brown-headed CowbirdIcteridae72025-39%1968
Black-capped ChickadeeParidae72025+77%1968
Wood ThrushTurdidae72025-75%1968
Red-bellied WoodpeckerPicidae72025+283%2013
Bank SwallowHirundinidae61993-55%1971
Chestnut-sided WarblerParulidae62025+273%1968
Yellow-bellied SapsuckerPicidae62025+325%1980
Indigo BuntingCardinalidae52025-43%1968
Scarlet TanagerCardinalidae52025+0%1969
Cedar WaxwingBombycillidae52025-4%1968
House SparrowPasseridae52025-79%1968
Carolina WrenTroglodytidae52025+300%2007
House FinchFringillidae52025+13%1980
Chimney SwiftApodidae42024+22%1968

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.